OBD Guide
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P0252

Injection Pump Fuel Metering Control A Range/Performance (Cam/Rotor/Injector)

P0252 is an OBD-II diagnostic trouble code meaning: Injection Pump Fuel Metering Control A Range/Performance (Cam/Rotor/Injector). Common causes: faulty injection pump solenoid valve, worn cam shaft or pump rotor. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Unstable engine operation
  • Power Loss
  • Increased fuel consumption
  • Difficulty starting the engine

Causes

  • Faulty injection pump solenoid valve
  • Worn cam shaft or pump rotor
  • Problems with injectors
  • Open or short circuit in wiring harness
  • ECU malfunction

How to Fix

  1. Check the resistance and operation of the fuel injection pump solenoid valve
  2. Inspect the wiring harness for damage
  3. Check fuel pressure and pump performance
  4. If necessary, replace the fuel injection pump or its components
  5. Reset error and test drive

Related codes

P0251P0253P0254P0087

Error P0252 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0252 code mean?

P0252 is an OBD-II diagnostic trouble code that indicates: Injection Pump Fuel Metering Control A Range/Performance (Cam/Rotor/Injector)

What causes a P0252 error code?

The most common causes of P0252 include: Faulty injection pump solenoid valve; Worn cam shaft or pump rotor; Problems with injectors; Open or short circuit in wiring harness.

How do I fix a P0252 diagnostic trouble code?

To fix P0252: Check the resistance and operation of the fuel injection pump solenoid valve. Inspect the wiring harness for damage. Check fuel pressure and pump performance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0252?

Limited driving only, diagnose soon

How much does it cost to fix P0252?

The estimated repair cost for P0252 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat